11-day outlook — past day 10 this is an outlook from the end of the GFS run: expect differences of several degrees.
Night
Rain showers
4°
Feels like 2°
Wind↑ NE 11 km/h
Gusts27 km/h
Humidity 87 %
💧 0.5 mm
Afternoon
Overcast
8°
Feels like 8°
Wind↑ NNE 4 km/h
Humidity 47 %
💧 0.1 mm
12-day outlook — past day 10 this is an outlook from the end of the GFS run: expect differences of several degrees.
Night
Clear sky
1°
Feels like -2°
Wind↑ ESE 10 km/h
Gusts24 km/h
Humidity 76 %
Afternoon
Mainly clear
4°
Feels like 0°
Wind↑ ESE 19 km/h
Gusts34 km/h
Humidity 47 %
13-day outlook — past day 10 this is an outlook from the end of the GFS run: expect differences of several degrees.
Night
Partly cloudy
3°
Feels like -2°
Wind↑ E 22 km/h
Gusts49 km/h
Humidity 48 %
Afternoon
Light rain
5°
Feels like 1°
Wind↑ ESE 21 km/h
Gusts46 km/h
Humidity 91 %
💧 1.4 mm
14-day outlook — past day 10 this is an outlook from the end of the GFS run: expect differences of several degrees.
Night
Rain
11°
Feels like 11°
Wind↑ SW 32 km/h
Gusts57 km/h
Humidity 81 %
💧 5.7 mm
Afternoon
Overcast
9°
Feels like 6°
Wind↑ SE 21 km/h
Gusts45 km/h
Humidity 81 %
Rotterdam forecast in charts · next 7 days
The week ahead: highs and lows
≈ A week close to the usual temperatures
Highs Lows Usual for the season (1991–2020 average)
Hourly detail
Temperature (°C) Rain (mm) Wind (km/h)
Rotterdam climate: what a normal year looks like
From 16 h 43 min of daylight in late June to 7 h 45 min in late December.
There is no real dry season: monthly rainfall stays between 54 mm and 86 mm on average.
The hottest stretch is August, when afternoons average 22 °C; the coldest is January, when nights average 1 °C.
Even the coldest month, January, keeps nights above freezing on average (1 °C).
Forecast highs for the coming week average 12 °C, 2 °C cooler than a normal October (14 °C).
30-year averages (1991–2020)
Month
Typical high
Typical low
Rainfall
Jan
6 °C
1 °C
68 mm
Feb
7 °C
2 °C
59 mm
Mar
10 °C
4 °C
59 mm
Apr
14 °C
6 °C
54 mm
May
17 °C
9 °C
67 mm
Jun
19 °C
12 °C
71 mm
Jul
22 °C
15 °C
86 mm
Aug
22 °C
15 °C
85 mm
Sep
19 °C
12 °C
74 mm
Oct
14 °C
9 °C
74 mm
Nov
10 °C
5 °C
71 mm
Dec
7 °C
3 °C
78 mm
Whole year
14 °C
8 °C
840 mm
Source: our own processing of the ERA5 reanalysis (Copernicus/ECMWF) for 51.92° N, 4.50° E, 1991–2020. ERA5 averages over a 0.25° grid (about 25 km): hills, a coastline or the heat of the city itself can shift local values by a degree or two.
Air you breathe in Rotterdam: pollution and pollen
2/6
Fair
European Air Quality Index (EAQI), from Copernicus CAMS
PM2.510µg/m³
PM1019µg/m³
O₃25µg/m³
NO₂34µg/m³
SO₂7µg/m³
Pollen
AlderNone
BirchNone
GrassNone
MugwortNone
OliveNone
RagweedNone
Copernicus CAMS model, updated several times a day.
Rain radar around Rotterdam
Rain observed over the last two hours by official weather radars around Rotterdam, followed by the radar forecast for the next hour where the weather service provides one.
Rain radarLast two hours, then forecast where available · drag the timeline
Moon over Rotterdam
Waning gibbous
87 % illuminated · 18.3 days
Rise 04:37 Set 23:20
Fri30/1079%
Sat31/1069%
Sun1/1159%
Mon2/1149%Last quarter
Tue3/1138%
Wed4/1128%
Thu5/1119%
Fri6/1112%
Sat7/116%
Sun8/112%
Mon9/110%
Tue10/111%New moon
Moonrise and moonset in local time (Europe/Amsterdam); phase and lit fraction from a synodic calculation.
Look up a past day in Rotterdam
Curious about the weather in Rotterdam on a given day? Choose a date: we read it from the ERA5 reanalysis (ECMWF / Copernicus C3S), which runs until about a week ago.
Rotterdam weather at a glance
This page gathers everything about the weather in Rotterdam, South Holland: conditions now, the forecast for each part of the day and the trend for the coming week. At the moment the sky is “mainly clear”, it is 10 °C (feels like 10 °C) and the wind blows at 4 km/h.
Expected range today: 10 °C to 16 °C and a dry sky. The forecast comes from the AtmoAtlas engine, which combines ECMWF-AIFS, NOAA GFS and DWD ICON, adjusts cloud cover with METAR reports and uses convective energy (CAPE) to flag storms.
Use the Rotterdam forecast in your own website or app: one JSON call returns weather, air quality, tides and sun and moon times. The free key needs no card.